Publications by authors named "Ahmed Elkhadem"

Objective: To assess the efficacy of using a bone substitute material (BSM) in the fixture-socket gap in patients undergoing tooth extraction and immediate implant placement.

Materials And Methods: MEDLINE, EMBASE, and CENTRAL databases were searched for randomized controlled trials (RCTs). RCTs were screened for eligibility, and data were extracted by two authors independently.

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Background/aim: Clinical studies evaluating the splinting time for surgically extruded teeth with crown-root fractures are lacking. The aim of this study was to compare 2-week splinting versus functional splinting times after surgical extrusion.

Material And Methods: Children aged 8-13 years who presented with crown-root fractures were included.

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Data sources Medline, Embase, Cochrane Central Register of Controlled Trials, Cochrane Database of Systematic Reviews, Scopus, Web of Knowledge, Virtual Health Library, Google Scholar and ISRCTN registry databases.Study selection Randomised controlled trials (RCTs) and prospective or retrospective non-randomised clinical trials on periodontal healthy human patients receiving comprehensive fixed appliance treatment were considered.Data extraction and synthesis Two reviewers independently extracted data and assessed risk of bias using either the Cochrane tool for RCTs or the ROBINS-I (Risk Of Bias In Non-randomised Studies - of Interventions) tool for non-randomised studies.

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Background: Autogenous intraoral block grafting is the gold standard augmentation technique for moderate-to-severe horizontal ridge deficiency. However, the graft undergoes variable resorption during healing that might jeopardize the outcome of the procedure. Several studies hypothesized that covering the graft with a membrane decreases the amount of graft resorption, but this effect is not established in the literature.

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Data sourcesMedline, Embase, the US Clinical Trials and ISRCTN Registry databases.Study selectionTwo reviewers independently selected studies. Interventional and observational studies comparing the outcomes of orthodontic or surgical re-position of intrusive luxation of permanent teeth compared with spontaneous re-eruption were considered.

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Data sourcesCochrane Oral Health Group's Trials Register, the Cochrane Central Register of Controlled Trials (CENTRAL), Medline, Embase, LILACS, the metaRegister of Controlled Trials, the US National Institutes of Health Trials Register and the WHO International Clinical Trials Registry Platform.Study selectionRandomised controlled trials of orthodontic treatment using fixed appliances along with non-surgical adjunctive interventions to accelerate tooth movement.Data extraction and synthesisTwo reviewers independently selected studies, abstracted data and assessed risk of bias.

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Data Sources: PubMed, ISI, LILACS, Cochrane Library and Embase databases were searched.

Study Selection: Epidemiological studies (cross-sectional, case-control, cohort clinical trials) addressing possible associations between socioeconomic indicators (eg mother's schooling, household income, number of children, type of school) and traumatic dental injury in the primary dentition were considered.

Data Extraction And Synthesis: Two reviewers independently selected studies.

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Data Sources: Medline/PubMed, SCOPUS and Google Scholar.

Data Extraction And Synthesis: Studies were split according to the type of teeth and the overjet threshold used, thus obtaining three subsets; primary teeth - overjet threshold 3-4 mm; permanent teeth - overjet threshold 3-4 mm and permanent teeth - overjet threshold 6 ± 1 mm. Pooled odds ratios for TDI were estimated for each dataset.

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Design: Randomised controlled trial.

Intervention: Children with at least two sound permanent first molars and the presence of at least one sound distal surface of adjacent second primary molar were eligible. Children were randomised into three groups.

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Data Sources: Cochrane Oral Health Group's Trials Register, the Cochrane Central Register of Controlled Trials (CENTRAL), Medline, Embase, the Web of Science, OpenGrey, the US National Institutes of Health Trials Register and the World Health Organization (WHO) Clinical Trials Registry Platform.

Study Selection: Two reviewers independently selected studies. Randomised controlled trials comparing different pulp interventions combining a pulp treatment technique and a medicament in primary teeth were considered.

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Data Sources: CENTRAL, Medline, Embase, Web of Science, LILACS and BBO databases, the Brazilian database of thesis and dissertations (Banco de Teses CAPES), a Brazilian register of ethically approved projects involving human beings (SISNEP) and two registers of ongoing trials (Current Controlled Trials and Clinical-Trials.gov). Reference lists were also scanned for relevant papers.

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Data Sources: The Cochrane Oral Health Group Trials register, Cochrane Central Register of Controlled trials (CENTRAL), Medline, Embase, LILACS and Dissertation, Theses and Abstracts databases.

Study Selection: Randomised controlled trials or quasi-randomised controlled trials that included a minimum follow-up period of 12 months.Data extraction and synthesisTwo review authors independently and in duplicate assessed the eligibility of all reports identified in the searches.

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Background: Crown-root and cervical root fractures constitute a restorative challenge due to sub-gingival position of the fracture margin. Surgical tooth extrusion is one of the treatment options. There is uncertainty regarding the prognosis of such treatment modality.

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Data Sources: Medline, Embase, Cochrane Oral Health Group's Trials Register and the Cochrane Central Register of Controlled Trials (CENTRAL). Unpublished data were sought by searching ClinicalTrials.gov, the National Research Register and Pro-Quest Dissertation Abstracts and Thesis database.

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Data Sources: Medline.

Study Selection: Studies that evaluated the efficacy of MTA as a pulpotomy medicament in primary teeth were included, abstracts, observational studies and case reports were excluded. Only English language studies were considered.

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